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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Service_Amazon
* @subpackage Ec2
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Elasticip.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
require_once 'Zend/Service/Amazon/Ec2/Abstract.php';
/**
* An Amazon EC2 interface to allocate, associate, describe and release Elastic IP address
* from your account.
*
* @category Zend
* @package Zend_Service_Amazon
* @subpackage Ec2
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Service_Amazon_Ec2_Elasticip extends Zend_Service_Amazon_Ec2_Abstract
{
/**
* Acquires an elastic IP address for use with your account
*
* @return string Returns the newly Allocated IP Address
*/
public function allocate()
{
$params = array();
$params['Action'] = 'AllocateAddress';
$response = $this->sendRequest($params);
$xpath = $response->getXPath();
$ip = $xpath->evaluate('string(//ec2:publicIp/text())');
return $ip;
}
/**
* Lists elastic IP addresses assigned to your account.
*
* @param string|array $publicIp Elastic IP or list of addresses to describe.
* @return array
*/
public function describe($publicIp = null)
{
$params = array();
$params['Action'] = 'DescribeAddresses';
if(is_array($publicIp) && !empty($publicIp)) {
foreach($publicIp as $k=>$name) {
$params['PublicIp.' . ($k+1)] = $name;
}
} elseif($publicIp) {
$params['PublicIp.1'] = $publicIp;
}
$response = $this->sendRequest($params);
$xpath = $response->getXPath();
$nodes = $xpath->query('//ec2:item');
$return = array();
foreach ($nodes as $k => $node) {
$item = array();
$item['publicIp'] = $xpath->evaluate('string(ec2:publicIp/text())', $node);
$item['instanceId'] = $xpath->evaluate('string(ec2:instanceId/text())', $node);
$return[] = $item;
unset($item);
}
return $return;
}
/**
* Releases an elastic IP address that is associated with your account
*
* @param string $publicIp IP address that you are releasing from your account.
* @return boolean
*/
public function release($publicIp)
{
$params = array();
$params['Action'] = 'ReleaseAddress';
$params['PublicIp'] = $publicIp;
$response = $this->sendRequest($params);
$xpath = $response->getXPath();
$return = $xpath->evaluate('string(//ec2:return/text())');
return ($return === "true");
}
/**
* Associates an elastic IP address with an instance
*
* @param string $instanceId The instance to which the IP address is assigned
* @param string $publicIp IP address that you are assigning to the instance.
* @return boolean
*/
public function associate($instanceId, $publicIp)
{
$params = array();
$params['Action'] = 'AssociateAddress';
$params['PublicIp'] = $publicIp;
$params['InstanceId'] = $instanceId;
$response = $this->sendRequest($params);
$xpath = $response->getXPath();
$return = $xpath->evaluate('string(//ec2:return/text())');
return ($return === "true");
}
/**
* Disassociates the specified elastic IP address from the instance to which it is assigned.
* This is an idempotent operation. If you enter it more than once, Amazon EC2 does not return an error.
*
* @param string $publicIp IP address that you are disassociating from the instance.
* @return boolean
*/
public function disassocate($publicIp)
{
$params = array();
$params['Action'] = 'DisssociateAddress';
$params['PublicIp'] = $publicIp;
$response = $this->sendRequest($params);
$xpath = $response->getXPath();
$return = $xpath->evaluate('string(//ec2:return/text())');
return ($return === "true");
}
}
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